at shell, we believe the world needs a broader mix of energies. that's why we're supplying natural gas to generate cleaner electricity... that has around 50% fewer co2 emissions than coal. and it's also why, with our partner in brazil, shell is producing ethanol - a biofuel made from renewable sugarcane. >>a minute, mom! let's broaden the world's energy mix. let's go. >>> i told you "american idol" people this. this past week damage control after two "american idol" judges begin feuding before the show even goes on the air. dean, people were laughing at me when i said mariah carey is three people in one, you never know what's going to come out. nicki minaj, who knows what personality is going to come out. mariah carey apparently told barbara walters she was worried nicki minaj might pull a gun on her. most people say, is this show falling apart before it starts? no, i'm sure the "american idol" people love this publicity. >> absolutely. ratings were down 25% last year. they fired judges. this is what they want. in fact, steven tyler, one of them w